# Why 0.9999… equal to 1

Recently, I am trying to understand better about calculus and limit. And there is a famous debate or question about how could 0.9999… is exactly equal to 1, or in other words, 0.9999… and 1 is the same thing.

It is a bit counter intuition, but still understandable.

# Solution #1: Analogy

1/9 = 0.1111…